Retention spoon



FIG. 1 is a perspective top elevational view of a retention spoon showing my new design;

FIG. 2 is perspective bottom elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front plan view thereof; and,

FIG. 8 is a rear plan view thereof.

The broken lines may be used to show environment and boundaries that form no part of the claimed design. 

CLAIM The ornamental design for a retention spoon, as shown and described. 